Expandium is leading the railway telecommunication monitoring industry since its establishment in 2005. With most European railway operator already equipped with an Expandium solution, the company has recently extended its coverage to North-Africa and the Middle-East enabling the monitoring of 100,000+ km of railway track over 20+ countries.

Expandium solutions for the rail industry

Whether used for daily operations or during a network rollout to ensure compliancy with various standards, Expandium offers the following products aimed at answering the needs of network engineers, field technicians, managers, analysts and network operations centres.

Telecommunication : GSM-R and GPRS

Monitor the quality-of-service of your network and ensure its high level of availability and reliability.

Signalling : European Train Control System (ETCS)

By combining both GSM-R and ETCS, Expandium is monitoring all aspects of ERTMS and Interlocking.

Future-ready : FRMCS / MCS

Expandium is already developing solutions to ensure digitalization and the transition to the Future Railway Mobile Communication System as well as Mission Critical Services.

Big Data

Expandium is able to connect and merge your multiple data sources in one single place enhancing features such as real-time time KPIs.


Real-time passive probing solution for GSM-R & ETCS networks for day-to-day operations and/or network deployments…

ETCS monitoring with multiple call-tracing capabilities designed to investigate signalling and interlocking issues…

Complete Drive-testing solution that can be either attended or managed remotely with Expandium’s Unattended Probes…

Unifies all your data sources to offer in a single place, a dashboard featuring custom-KPIs with alarming capability…

Railway cyber threat detection and forensics solution with advanced analytics, specific for railway telecommunication, signalling and interlocking domains…

A simple and reliable standalone Railway Emergency Call monitoring tool…

Attend Expandium’s User Group

The purpose of the user group is to bring together the Expandium solutions’ user community on an annual basis to showcase new features, software developments, discuss use cases and share experiences with other solutions’ users.

The User Group is open for users and non-users. If you would like to discover our company and our range of products and services, or if you want to enlist to the next User Group, inquire us here.